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Clay B. Siegall currently holds 81,000 shares of Ultragenyx Pharmaceutical Inc. (RARE), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Clay B. Siegall has been a net seller of RARE stock. They have purchased $4.1M and sold $233.3M worth of shares.
Clay B. Siegall's most recent insider trade was on May 29, 2026, when they sold 81,000 shares at $0.00 per share.
Clay B. Siegall serves as Executive at Ultragenyx Pharmaceutical Inc. (RARE). They have executed 849 insider transactions totaling $237.5M over their tenure at the company.
Clay B. Siegall holds the position of Executive at Ultragenyx Pharmaceutical Inc., where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 19 years and currently hold a stake valued at $0.
Clay B. Siegall has shown a selling trading pattern, with $4.1M in total purchases and $233.3M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Clay B. Siegall was on May 12, 2022, when they sold $1.3M worth of SGEN shares. This transaction involved 10,593 shares at $125.39 per share.
Clay B. Siegall currently owns 81,000 shares of Ultragenyx Pharmaceutical Inc. (RARE), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Clay B. Siegall's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Clay B. Siegall has 849 Form 4 filings on record as an insider at Ultragenyx Pharmaceutical Inc..
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